package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.atguigu.servicebase.config.exceptionhandler.GuliException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utils.ConstandVodUtils;
import com.atguigu.vod.utils.InitObject;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.nio.Buffer;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    @Override
    public String upLoadAliyunVideo(MultipartFile file) {

        try {
            String fileName = file.getOriginalFilename();
            String title = fileName.substring(0,fileName.lastIndexOf("."));
            InputStream inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(ConstandVodUtils.ACCESS_KEY_ID, ConstandVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = "";
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void deleteAliyunVideoById(String videoId) {
        try{
            DefaultAcsClient client = InitObject.initVodClient(
                    ConstandVodUtils.ACCESS_KEY_ID,
                    ConstandVodUtils.ACCESS_KEY_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();
            request.setVideoIds(videoId);
            DeleteVideoResponse response = client.getAcsResponse(request);
            System.out.print("RequestId = " + response.getRequestId() + "\n");
        }catch (Exception e){
            e.printStackTrace();
            throw new GuliException(20001, "视频删除失败");
        }
    }

    @Override
    public void deleteAliyunVideoByIdList(List videoIdList) {

        String idList = StringUtils.join(videoIdList.toArray(),",");

        try{
            DefaultAcsClient client = InitObject.initVodClient(
                    ConstandVodUtils.ACCESS_KEY_ID,
                    ConstandVodUtils.ACCESS_KEY_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();
            request.setVideoIds(idList);
            DeleteVideoResponse response = client.getAcsResponse(request);
            System.out.print("RequestId = " + response.getRequestId() + "\n");
        }catch (Exception e){
            e.printStackTrace();
            throw new GuliException(20001, "视频删除失败");
        }
    }
}
